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Flashcards - Basics of Ecology

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trophic levels
The trophic level of an organism is the position it occupies in a food chain
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food web
A food web is the natural interconnection of food chains and generally a graphical representation of what-eats-what in an ecological community
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symbiosis
Symbiosis is a close and often long-term interaction between two different biological species
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photosynthesis
Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that can later be released to fuel the organisms' activities
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mutualism
Mutualism is the way two organisms of different species exist in a relationship in which each individual benefits from the activity of the other
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herbivores
A herbivore is an animal anatomically and physiologically adapted to eating plant material, for example foliage, for the main component of its diet
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habitats
A habitat is an ecological or environmental area that is inhabited by a particular species of animal, plant, or other type of organism
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food chain
A food chain is a linear network of links in a food web starting from producer organisms and ending at apex predator species , detritivores , or decomposer species
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range
In arithmetic, the range of a set of data is the difference between the largest and smallest values
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intraspecific competition
Intraspecific competition is an interaction in population ecology, whereby members of the same species compete for limited resources
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emigration
Emigration is the act of leaving one's resident country with the intent to settle elsewhere
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population
A population is a summation of all the organisms of the same group or species, which live in a particular geographical area, and have the capability of interbreeding
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ecosystem
An ecosystem is a community of living organisms in conjunction with the nonliving components of their environment , interacting as a system
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ecology
Ecology is the scientific analysis and study of interactions among organisms and their environment
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biosphere
The biosphere is the global sum of all ecosystems
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biosphere
The biosphere is the global sum of all ecosystems
ecology
Ecology is the scientific analysis and study of interactions among organisms and their environment
ecosystem
An ecosystem is a community of living organisms in conjunction with the nonliving components of their environment , interacting as a system
population
A population is a summation of all the organisms of the same group or species, which live in a particular geographical area, and have the capability of interbreeding
emigration
Emigration is the act of leaving one's resident country with the intent to settle elsewhere
intraspecific competition
Intraspecific competition is an interaction in population ecology, whereby members of the same species compete for limited resources
range
In arithmetic, the range of a set of data is the difference between the largest and smallest values
food chain
A food chain is a linear network of links in a food web starting from producer organisms and ending at apex predator species , detritivores , or decomposer species
habitats
A habitat is an ecological or environmental area that is inhabited by a particular species of animal, plant, or other type of organism
herbivores
A herbivore is an animal anatomically and physiologically adapted to eating plant material, for example foliage, for the main component of its diet
mutualism
Mutualism is the way two organisms of different species exist in a relationship in which each individual benefits from the activity of the other
photosynthesis
Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that can later be released to fuel the organisms' activities
symbiosis
Symbiosis is a close and often long-term interaction between two different biological species
food web
A food web is the natural interconnection of food chains and generally a graphical representation of what-eats-what in an ecological community
trophic levels
The trophic level of an organism is the position it occupies in a food chain
assimilation
Cultural assimilation is the process by which a person or a group's language and/or culture come to resemble those of another group
carbon cycle
The carbon cycle is the biogeochemical cycle by which carbon is exchanged among the biosphere, pedosphere, geosphere, hydrosphere, and atmosphere of the Earth
nitrogen cycle
The nitrogen cycle is the biogeochemical cycle by which nitrogen is converted into various chemical forms as it circulates among the atmosphere and terrestrial and marine ecosystems
Abiotic factors
In biology and ecology, abiotic components or abiotic factors are non-living chemical and physical parts of the environment that affect living organisms and the functioning of ecosystems
organism
In biology, an organism is any contiguous living system, such as an animal, plant, fungus, archaeon, or bacterium
metapopulation
A metapopulation consists of a group of spatially separated populations of the same species which interact at some level
agonistic behaviors
Agonistic behaviour is any social behaviour related to fighting
social behaviors
Social behavior is behavior among two or more organisms, typically from the same species
social group
In the social sciences a social group has been defined as two or more people who interact with one another, share similar characteristics, and collectively have a sense of unity
biological community
In ecology, a community or biocoenosis is an assemblage or association of populations of two or more different species occupying the same geographical area and in a particular time
ecological niche
In ecology, a niche is a term with a variety of meanings related to the behavior of a species living under specific environmental conditions
Deserts
A desert is a barren area of land where little precipitation occurs and consequently living conditions are hostile for plant and animal life
environmental factors
Environmental factor or ecological factor or ecofactor is any factor, abiotic or biotic, that influences living organisms
competition
Competition is, in general, a contest or rivalry between two or more organisms, animals, individuals, economic groups or social groups, etc
consumer
A consumer is a person or organization that uses economic services or commodities

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You are viewing lesson Lesson 52 in chapter 65 of the course:

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Pennsylvania Grades 4-8 Core Assessment - Mathematics & Science (5155): Study Guide & Test Prep

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